Question: What was the discovery of permaculture?
Paraphrase: Name the discovery of permaculture.
SPARQL (Wikidata): SELECT ?answer WHERE { wd:Q4572 wdt:P61 ?X . ?X wdt:P569 ?answer}
Answer: 1928-05-04T00:00:00Z, 1955-01-01T00:00:00Z